import { Optional } from '@angular/core';
import { Subject } from 'rxjs';
/**
 * To modify the labels and text displayed, create a new instance of RSortHeaderIntl and
 * include it in a custom provider.
 * @deprecated No longer being used. To be removed.
 * @breaking-change 13.0.0
 */
export declare class RSortHeaderIntl {
    /**
     * Stream that emits whenever the labels here are changed. Use this to notify
     * components if the labels have changed after initialization.
     */
    readonly changes: Subject<void>;
}
/** @docs-private */
export declare function R_SORT_HEADER_INTL_PROVIDER_FACTORY(parentIntl: RSortHeaderIntl): RSortHeaderIntl;
/** @docs-private */
export declare const R_SORT_HEADER_INTL_PROVIDER: {
    provide: typeof RSortHeaderIntl;
    deps: Optional[][];
    useFactory: typeof R_SORT_HEADER_INTL_PROVIDER_FACTORY;
};
